xr16l570il32 Exar Corporation, xr16l570il32 Datasheet - Page 41

• Manufacturer Part Number: xr16l570il32
• Description: Smallest 1.62v To 5.5v Uart With 16-byte Fifo And Powersave
• Manufacturer: Exar Corporation

REV. 1.0.1
F
F
IGURE
IGURE
INT*
IOW#
TX
(Unloading)
(Loading data
into THR)
RX
INT
IOR#
(Reading data
out of RHR)
18. R
19. T
IER[1]
enabled
T
WRI
RANSMIT
ECEIVE
*INT is cleared when the ISR is read or when data is loaded into the THR.
Start
Start
R
Bit
Bit
R
EADY
EADY
ISR is read
I
T
D0:D7
NTERRUPT
D0:D7
I
SRT
NTERRUPT
T
WRI
Stop
Stop
SMALLEST 1.62V TO 5.5V UART WITH 16-BYTE FIFO AND POWERSAVE
T
Bit
Bit
T
IMING
T
RR
in RHR
IMING
1 Byte
T
SSR
[N
[N
ON
ON
-FIFO M
ISR is read
-FIFO M
D0:D7
T
D0:D7
41
SRT
ODE
ODE
]
T
]
RR
in RHR
1 Byte
T
SSR
T
WRI
D0:D7
ISR is read
D0:D7
T
SRT
XR16L570
T
RR
in RHR
1 Byte
T
SSR
TXNonFIFO
RXNFM